Item-data processor



March 1, 1966 r. A. DOWDS ETAL 3,238,356

INVENTORS.

THOMAS A. DOWDS MORTON W. MARCOVITZ CORNELiUS C. PERKINS WILLIAM W. PHILLIPS BY g 9&0.

ATTORNEY March 1966 'r. A. DOWDS ETAL 3,233,356

ITEM-DATA PROCESSOR Filed Sept. 8. 1960 58 Sheets-Sheet 2 ANY BANK NO. YOURTOWN, usTA.

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March 1, 1966 Filed Sept. 8, 1960 r. A. DOWDS ETAL 3,238,356

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Mll'dl 1966 T. A. :aowos ETAL 3,233,356

I 'I'EM-DATA PROCESSOR 58 Sheets-Sheet. 10

Filed Sept. 8. 1960 INVERTER TWO POSITION INVERTER IOII March 1966 T. A oowos ETAL 3,233,356

ITEM-DATA PROCESSOR Filed Sept. 8. 1960 :58 Sheets-Sheet 1 l March 1, 1966 Filed Sept. i960 FOURTH POSITION PARi w EEI'JERAWRH T. A. DOWDS ETAL.

ITEM DATA PROCESSOR SECOND POSlTION INvERTER 38 Sheets-Sheet 12 T'HiRD osmow 1 R INvERTER SIXTH POSI'HQN PARITY 5p GENERATOR 1125 M PARiTY SPO ERROR OR 92F 5 H26 AND SP0 INVERTER H24 NO PARlTY ERROR March 1, 1966 T. A. DOWDS ETAL 3,238,356

ITEM META PROCESSOR 58 Sheets-Sheet 14.

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ITEMDATA PROCESSOR 38 Sheets-Sheet 16 Filed Sept. 8, 1960 38 Sheets-Sheet 17 T. A. DOWDS ETAL ITEM-DATA PROCESSOR March 1, 1966 Filed Sept. 8

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T. A. DOWDS ETAL ITEM-DATA PROCESSOR FREE-INSERT ONLY) 38 Sheets-Sheet 20 

16. AN ITEM PROCESSOR SYSTEM COMPRISING: FIRST DATA INPUT MEANS FOR RECEIVING DATA SIGNALS READ FROM A FIRST ITEM; SECOND DATA INPUT MEANS FOR RECEIVING DATA SIGNALS READ FROM A SECOND ITEM; FIRST DATA STORAGE MEANS COUPLED TO BOTH SAID FIRST INPUT MEANS AND SAID SECOND INPUT MEANS AND OPERABLE TO STORE THE DATA SIGNALS RECEIVED THEREBY; ARITHMETIC MEANS CONNECTED TO SAID FIRST DATA STORAGE MEANS FOR OBTAINING THE DATA SIGNALS STORED THEREIN; SECOND DATA STORAGE MEANS LOOP-CONNECTED TO TRANSMIT DATA SIGNALS TO SAID ARITHMETIC MEANS AND TO RECEIVE DATA SIGNALS FROM SAID ARITHMETIC MEANS; ITEM CONTROL MEANS COUPLED TO SAID ARITHMETIC MEANS FOR RECEIVING CONTROL SIGNALS THEREFROM FOR CONTROLLING THE PHYSICAL TRANSPORTATION OF SAID SECOND ITEM IN ACCORDANCE WITH THE DATA OUTPUT FROM SAID ARITHMETIC MEANS; AND DATA FLOW CONTROL MEANS COUPLED TO EACH OF (1) SAID FIRST DATA STORAGE MEANS, (2) SAID SECOND DATA SORAGE MEANS, AND (3) SAID ARITHMETIC MEANS TO CONTROL THE TRANSMISSION OF DATA SIGNALS TO THE ARITHMETIC MEANS TO EFFECT A COMPARISON BY A MATHEMATICAL OPERATION BETWEEN THE DATA SIGNALS FROM SAID FIRST ITEM AND THE DATA SIGNALS FROM SAID SECOND ITEM. 